Kolakoski Sequence in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 826th jared-hughes 676 35 54ms 31 Jul 2022 826th Natanaelel 🇸🇪 676 35 48ms 18 Aug 2022 828th SirBogman 🇺🇸 676 44 22 Oct 2021 829th dokutan 676 59 3ms 18 Jul 2025 830th richard-oelze 🇩🇪 675 73 37ms 4 Apr 2021 830th mauro-1 🇮🇹 675 73 10ms 18 Aug 2021 830th gchenfc 675 73 10ms 24 Jan 2022 830th hiichbindermax 675 73 11ms 26 Feb 2022 830th Omega65536 🇩🇪 675 73 13ms 24 Nov 2022 830th sandorstormen 675 73 12ms 18 Feb 2023 830th Mr-McChicken 675 73 12ms 15 Oct 2023 830th Masttest 675 73 10ms 21 Feb 2024 838th Yewzir 🇧🇪 675 88 339ms 14 Oct 2023 839th msbranicky 674 80 5ms 11 Oct 2023 840th dokutan 673 99 506ms 27 days ago 841st janbehrens 🇩🇪 672 68 9 Apr 2021 842nd rboath 671 58 121ms 8 Jan 2025 843rd madex 🇩🇪 671 79 2ms 11 Jul 2024 844th 5quiwyrm 669 54 223ms 5 Dec 2024 845th I-Love-47 🇺🇦 669 106 62ms 10 Feb 2022 846th CaedenHarper 🇨🇦 666 70 31 Jan 2025 847th jameslindesay 666 74 12ms 24 Feb 2021 847th PkmnQ 666 74 50ms 5 May 2024 847th RedzGoose 🇦🇺 666 74 11ms 14 Oct 2024 847th yokasuretsu 666 74 12ms 13 Jan 2025 851st MeWhenI 🇻🇦 663 69 15 Feb 2023 851st MarcMush 🇫🇷 663 69 12 Feb 2024 851st Yewzir 🇧🇪 663 69 5 Apr 2024 854th Natanaelel 🇸🇪 662 56 5ms 20 Jan 2024 855th DialFrost 🇸🇬 662 75 112ms 3 Jun 2025 856th 77Tigers 661 114 149ms 9 Apr 2024 857th Trunksistor 🇫🇷 657 75 15ms 25 May 2022 857th celiendonze 🇨🇭 657 75 13ms 16 Jun 2023 857th qwjhvbxi 657 75 11ms 9 Feb 2024 857th wenbang24 657 75 14ms 6 Apr 2024 861st uttumuttu 🇫🇮 656 71 8 Jan 2022 861st olleicua 🇺🇸 656 71 20 Feb 2024 863rd SirBogman 🇺🇸 656 108 61ms 3 Jan 2022 864th annaproxy 655 91 99ms 13 Jan 2023 865th emgordon154 653 65 6 Sep 2024 866th AdrienHache 🇫🇷 653 91 333ms 31 Dec 2023 867th dokutan 652 69 30 Aug 2025 868th olivermrose 🇺🇸 651 57 4ms 24 Aug 2021 869th boxjelly 648 65 37ms 11 Feb 2021 869th msbranicky 648 65 43ms 12 Sep 2023 871st Waffle3z 648 76 13ms 20 Jan 2021 871st hellwue 648 76 13ms 16 Nov 2023 871st yuchuehw 648 76 18ms 18 Jan 2024 874th Bubbler-4 648 97 77ms 13 Sep 2023 875th Shanethegamer 🇺🇸 646 97 13ms 22 Dec 2023 876th jwhear 🇺🇸 646 171 1,766ms 1 Oct 2024 877th johnnythedoggie 644 106 135ms 3 Mar 2021 878th f-tucker 640 77 11ms 2 Feb 2024 878th undefinedRyan 640 77 12ms 19 Apr 2025 878th Emutis 🇱🇹 640 77 12ms 12 Sep 2025 881st emgordon154 640 98 11ms 10 Dec 2024 882nd nephila-nacrea 🇬🇧 639 58 4ms 3 Feb 2021 883rd NickTheEASDude 🇺🇸 639 95 2ms 1 Jul 2024 884th alomiF 639 102 139ms 4 Nov 2024 885th msbranicky 639 134 280ms 3 Oct 2023 886th Maznek 638 73 30 Jun 2023 887th MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 888th janbehrens 🇩🇪 635 135 262ms 13 Jun 2021 889th Shanethegamer 🇺🇸 633 57 212ms 27 Jul 2023 890th DialFrost 🇸🇬 633 67 3 Aug 2024 891st MateuszPietrzak 🇵🇱 633 112 63ms 16 Jan 2024 892nd sreyfe 633 119 175ms 9 Jun 2024 893rd AkashTandon167 632 78 12ms 25 May 2021 893rd jhpaques 🇫🇷 632 78 20ms 30 Nov 2022 895th MeWhenI 🇻🇦 632 90 24 Oct 2024 896th dokutan 632 94 367ms 18 Jul 2025 897th emgordon154 632 186 30 May 2025 898th SirBogman 🇺🇸 631 84 2ms 14 Dec 2021 899th NewDefectus 🇮🇱 629 59 10ms 25 Oct 2021 900th janbehrens 🇩🇪 627 136 27ms 9 Jul 2021 First Prev 826–900 of 1,765 Next Last